SilverFox: Tracking the Distribution of a Domestic Variant of a Malicious Installation File Posing as KakaoTalk
The threat actor used SEO poisoning (a technique that exploits search results to redirect users to fake sites) to distribute a malicious installer disguised as a KakaoTalk installer. The appearance and packaging method of the installer changed continuously, and the threat actor sequentially used NSIS, Advanced Installer, and Inno Setup.
Winos4.0 Malware Disguised as KakaoTalk Installer
Distribution Method – SEO Poisoning Typically, people perceive the sites that appear at the top of Google search results as the “most authoritative and official” sites. however, threat actors are playing on the psychology of such users, manipulating the search engine’s algorithms to place malicious sites at the top. SEO
